[comp.theory.cell-automata] Boomerang Creators

6600sirt@ucsbuxa.ucsb.edu (Mike O'Brien) (07/10/90)

Hello netters.

I'm not all that knowledgeable about cellular automata, so forgive me
if this seems basic.

I read an article about five years ago which told about the people who
invented cellular automata.  It said that one of their primary goals
was to find a shape that could reproduce itself, because one of the
prerequisites of life is reproduction.  Well, apparently they spent a
long time researching this, and finally came up with a pattern that
would constantly produce and send out "boomerangs".

I know how to make a "boomerang" in a life sim, but can anyone tell me
how to make a "boomerand creator"?
 
Thanks,
Mike O'Brien
6600sirt@ucsbuxa.ucsb.edu

jgk@osc.COM (Joe Keane) (07/11/90)

If you're at all interested in Life or cellular automata, you should get a
copy of xlife.  It includes tons of interesting examples such as glider gun
guns, plus of course it lets you run and modify them or whatever other
patterns you come up with.  I won't mention the ability to change the rules.

ted@helios.ucsc.edu (Ted Cantrall) (07/11/90)

In article <3021@osc.COM> jgk@osc.COM (Joe Keane) writes:
>If you're at all interested in Life or cellular automata, you should get a
>copy of xlife.  It includes tons of interesting examples such as glider gun
>
OK, I'm interested! Where can I get a copy of "xlife"?
			-ted-

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kassover@minerva.crd.ge.com (David Kassover) (07/11/90)

In article <3021@osc.COM> jgk@osc.COM (Joe Keane) writes:
>If you're at all interested in Life or cellular automata, you should get a
>copy of xlife.  It includes tons of interesting examples such as glider gun
>guns, plus of course it lets you run and modify them or whatever other
>patterns you come up with.  I won't mention the ability to change the rules.

You may also wish to get a copy of Recursive Universe, by, I
think, William Poundstone, in which is discussed Conway's Life
and von Neumann's life work, in a form that does not depend on
particular computer hardware or software.

I'm sure there are other (and perhaps better) references to be had.
--
David Kassover             "Proper technique helps protect you against
kassover@ra.crd.ge.com	    sharp weapons and dull judges."
kassover@crd.ge.com			F. Collins
			   Fencing:  Worlds Oldest Modern Sport